Which of the following is NOT an example of matter?
a. clouds
b. gasoline
С. ice
d. light

Which of the following are not examples of matter, well clouds are matter, gasoline is matter, ice is matter, so it would be light.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be